The Good
Easy to tell live vs dead cells.
The Bad
Product does not tolerate sitting in an antibody master mix for very long without losing staining intensity/population clarity.
The Bottom Line
A good fixable viability dye. Stains clear populations of live & dead cells. Reliable staining, if manufacturer protocol is followed. Comes in a variety of fluorphores which makes it easy to work into existing antibody panels. Overall, a very good product.